globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2014.06.029
论文题名:
Vertebrate fossils on the roof of the world: Biostratigraphy and geochronology of high-elevation Kunlun Pass Basin, northern Tibetan Plateau, and basin history as related to the Kunlun strike-slip fault
作者: Li Q.; Xie G.; Takeuchi G.T.; Deng T.; Tseng Z.J.; Grohe´ C.; Wang X.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2014
卷: 411
起始页码: 46
结束页码: 55
语种: 英语
英文关键词: Chronology ; Kunlun Pass Basin ; Mammals ; Pliocene ; Tibetan Plateau
英文摘要: The Kunlun Pass Basin, at the foothill of Yuzhu Mountain (6224. m. asl and the highest peak of the Kunlun Range), records Plio-Pleistocene fine-grained sediments sandwiched between glacial moraines. We document a new vertebrate fossil assemblage, the Yuzhu Fauna, with 16 mammal and 2 fish species that provide insights into basin chronology as well as the paleoenvironment adjacent to alpine glaciations in the Pliocene, in which the mammals and fishes lived. The Yuzhu Fauna consists of the following eight small mammals: Petenyia sp., Aepyosciurus sp., Nannocricetus mongolicus, cf. Orientalomys sinensis, Mimomys n. sp., Prosiphneus cf. P. eriksoni, Ochotona minor, Ochotona cf. O. lagreli, and eight large mammals: Rhinocerotidae indet., Hipparion (Proboscidipparion) pater, Qurliqnoria sp., Bovidae indet., cf. Panthera blytheae, Hyaeninae indet., Vulpes qiuzhudingi, and aff. Arctomeles sp. Two cyprinid fishes are also included: Gymnocypris sp. and Triplophysa sp. The Yuzhu Fauna has a distinctly early-middle Pliocene appearance, substantially earlier than previous age estimates, sharing broad similarities with vertebrate fossil assemblages from North China in general and the Zanda Fauna in southern Tibet in particular, including three carnivorans (Vulpes qiuzhudingi, cf. Panthera blytheae, and aff. Arctomeles sp.), one artiodactyl (Qurliqnoria), and at least two rodents (Aepyosciurus and Prosiphneus) and a lagomorph (Ochotona). We re-interpret published magnetostratigraphy to arrive at a correlation of the Yuzhu Fauna to the lower part of Chron 2Ar (Gilbert Chron 4.2-3.6. Ma), and the entire basin sequence spanning part of chrons 1n through 3n.3n, i.e., ~ 4.9-0.5 Ma. Our revised magnetic age for the Kunlun Pass Basin strata implies a slip rate of 7.2-6.1 mm/year along this part of the Kunlun Pass strike-slip fault system, much slower than its modern rate of off set. © 2014 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69320
Appears in Collections:过去全球变化的重建

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作者单位: Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China; Gansu Provincial Museum, Lanzhou, Gansu Province, China; The George C. Page Museum, 5801 Wilshire Boulevard, Los Angeles, CA, United States; Department of Vertebrate Paleontology, Natural History Museum of Los Angeles County, 900 Exposition Blvd., Los Angeles, CA, United States; Department of Biological Sciences, University of Southern California, Los Angeles, CA, United States; Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY, United States; School of Earth Sciences and Engineering, Nanjing University, Nanjing, Jiangsu Province, China

Recommended Citation:
Li Q.,Xie G.,Takeuchi G.T.,et al. Vertebrate fossils on the roof of the world: Biostratigraphy and geochronology of high-elevation Kunlun Pass Basin, northern Tibetan Plateau, and basin history as related to the Kunlun strike-slip fault[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2014-01-01,411
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